001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.camel.model;
018
019 import javax.xml.bind.annotation.XmlAccessType;
020 import javax.xml.bind.annotation.XmlAccessorType;
021 import javax.xml.bind.annotation.XmlAttribute;
022 import javax.xml.bind.annotation.XmlRootElement;
023 import javax.xml.bind.annotation.XmlTransient;
024
025 import org.apache.camel.Endpoint;
026 import org.apache.camel.Exchange;
027 import org.apache.camel.impl.RouteContext;
028 import org.apache.camel.util.ObjectHelper;
029
030 /**
031 * Represents an XML <from/> element
032 *
033 * @version $Revision: 36321 $
034 */
035 @XmlRootElement(name = "from")
036 @XmlAccessorType(XmlAccessType.FIELD)
037 public class FromType {
038 @XmlAttribute
039 private String uri;
040 @XmlAttribute
041 private String ref;
042 @XmlTransient
043 private Endpoint<? extends Exchange> endpoint;
044
045 public FromType() {
046 }
047
048 public FromType(String uri) {
049 setUri(uri);
050 }
051
052 public FromType(Endpoint<? extends Exchange> endpoint) {
053 this.endpoint = endpoint;
054 }
055
056 @Override
057 public String toString() {
058 return "From[" + getLabel() + "]";
059 }
060
061 public String getLabel() {
062 return description(getUri(), getRef(), getEndpoint());
063 }
064
065 public Endpoint<? extends Exchange> resolveEndpoint(RouteContext context) {
066 if (endpoint == null) {
067 endpoint = context.resolveEndpoint(getUri(), getRef());
068 }
069 return endpoint;
070 }
071
072 // Properties
073 // -----------------------------------------------------------------------
074 public String getUri() {
075 return uri;
076 }
077
078 /**
079 * Sets the URI of the endpoint to use
080 *
081 * @param uri the endpoint URI to use
082 */
083 public void setUri(String uri) {
084 this.uri = uri;
085 }
086
087 public String getRef() {
088 return ref;
089 }
090
091 /**
092 * Sets the name of the endpoint within the registry (such as the Spring
093 * ApplicationContext or JNDI) to use
094 *
095 * @param ref the reference name to use
096 */
097 public void setRef(String ref) {
098 this.ref = ref;
099 }
100
101 public Endpoint getEndpoint() {
102 return endpoint;
103 }
104
105 public void setEndpoint(Endpoint endpoint) {
106 this.endpoint = endpoint;
107 }
108
109 /**
110 * Returns the endpoint URI or the name of the reference to it
111 */
112 public Object getUriOrRef() {
113 if (ObjectHelper.isNullOrBlank(uri)) {
114 return uri;
115 } else if (endpoint != null) {
116 return endpoint.getEndpointUri();
117 }
118 return ref;
119 }
120
121 // Implementation methods
122 // -----------------------------------------------------------------------
123 protected static String description(String uri, String ref, Endpoint endpoint) {
124 if (ref != null) {
125 return "ref:" + ref;
126 } else if (endpoint != null) {
127 return endpoint.getEndpointUri();
128 } else if (uri != null) {
129 return uri;
130 } else {
131 return "no uri or ref supplied!";
132 }
133 }
134 }